Centertown, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.3 °C (low) to 20.5 °C (high). Annual precipitation averages 1436.9 Millimeters. Centertown is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.2 °C | 8.6 °C | 128.27 mm |
| February | -0.7 °C | 10.9 °C | 126.49 mm |
| March | 2.9 °C | 15.7 °C | 137.92 mm |
| April | 7.6 °C | 20.9 °C | 129.03 mm |
| May | 12.8 °C | 25.1 °C | 122.68 mm |
| June | 17.3 °C | 28.8 °C | 132.08 mm |
| July | 19.3 °C | 30.5 °C | 112.52 mm |
| August | 18.4 °C | 30.2 °C | 113.03 mm |
| September | 14.8 °C | 27.4 °C | 97.28 mm |
| October | 7.9 °C | 21.7 °C | 79.25 mm |
| November | 2.2 °C | 15.5 °C | 103.12 mm |
| December | -0.4 °C | 10.7 °C | 155.19 mm |
| Annual | 8.3 °C | 20.5 °C | 1436.86 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |